dca_stat_t
dca_stat_t *dkp;
dkp = (dca_stat_t *)ksp->ks_data;
KSTAT_TYPE_NAMED, sizeof (dca_stat_t) / sizeof (kstat_named_t),
dca_stat_t *dkp = (dca_stat_t *)dca->dca_ksp->ks_data;